simplifying development at guardian.co.uk Graham Tackley - @tackers - - PowerPoint PPT Presentation

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simplifying development at guardian co uk graham tackley

simplifying development at guardian.co.uk Graham Tackley - @tackers - - PowerPoint PPT Presentation

Dec 03, 2023 254 likes •773 views

simplifying development at guardian.co.uk Graham Tackley - @tackers architect, guardian.co.uk Background Decision Impact Outcomes Background Decision Impact Outcomes Background Decision Impact Outcomes Background Decision Impact

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simplifying development at guardian.co.uk Graham Tackley - @tackers architect, guardian.co.uk

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Background Decision Impact Outcomes

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2006-2008: “R2”

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main java (185k) main xml (35k) velocity (72k) test java (248k) 75'000 150'000 225'000 300'000

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it’s ok, but...

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2009

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Small Independent Components

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The Monolith We value

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Clarity of Intent

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Ceremonial Abstraction We value

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it’s ok, but...

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Architectural Evolution

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Architectural Revolution We value

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it’s just bytecode; a war is a war mixed scala & java projects work huge drop in verbosity and boilerplate same infrastructure: toolset, libraries, build, runtime

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huge drop in verbosity and boilerplate

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Craft

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Patterns We value

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http://content.guardianapis.com http://www.guardian.co.uk/open-platform

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2010 2011 2009

Nov

java + guice + guice servlets + apache solr

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2010 2011 2009

Jan

java + guice + guice servlets + apache solr

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2010 2011 2009

Jan

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2010 2011 2009

Jan

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2010 2011 2009

Feb

scala + guice + guice servlets + apache solr

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2010 2011 2009

May

scala + guice + guice servlets + apache solr

Live!

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2010 2011 2009

July

scala + guice + guice servlets + apache solr

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2010 2011 2009

July

scala + lift + apache solr

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2010 2011 2009

July

scala + lift + apache solr

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2010 2011 2009

Now

scala + lift + apache solr

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The roll-it-out-to-everyone plan

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How did we learn?

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Passionate Developers

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Turning the Crank We value

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Complexity vs Simplicity

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Clarity

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Cleverness We value

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preference for immutability scala console encourages viewing code as a living entity awesome test frameworks reduced need for complex frameworks

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love-hate relationship with sbt tool support immature compared with java compiler is slow rate of change

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https://github.com/guardian/frontend-article

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Clarity

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Cleverness

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S m a l l I n d e p e n d e n t C

m

p

n

e n t s

v

e r T h e M

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i t h Clarity of Intent

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Ceremonial Abstraction Craft

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Patterns Passionate Developers

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Turning the Crank A r c h i t e c t u r a l E v

l

u t i

n
v

e r A r c h i t e c t u r a l R e v

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graham.tackley@guardian.co.uk @tackers We’re hiring: http://bit.ly/guardian-dev-jobs